Nik Collection, seven powerful photo editing desktop plug-ins from Google, has dropped its price from $150 to being completely free for everyone.

Starting today, the latest Nik Collection that includes Analog Efex Pro, Color Efex Pro, Silver Efex Pro, Viveza, HDR Efex Pro, Sharpener Pro, and Dfine can be downloaded and used by anyone at no cost. With this suite of plug-ins you can add color correction filters to your photos, retouch photos, add creative effects, sharpen images, adjust tonality, reduce noise, and more. If you happened to purchase the Nik Collection earlier this year, you’ll receive a full refund in the next few days. You can download the Nik Collection at the link below.

Update: In case it was unclear, these plug-ins are for Adobe Photoshop, Elements, and Lightroom, as well as Apple Aperture. You can find the complete list of requirements at the link below.